[PATCH v2 2/3] erofs: insert to managed cache after adding to pcl

[Chao Yu]

On 2020/12/7 9:23, Gao Xiang wrote:
> Previously, it could be some concern to call add_to_page_cache_lru()
> with page->mapping == Z_EROFS_MAPPING_STAGING (!= NULL).
> 
> In contrast, page->private is used instead now, so partially revert
> commit 5ddcee1f3a1c ("erofs: get rid of __stagingpage_alloc helper")
> with some adaption for simplicity.
> 
> Signed-off-by: Gao Xiang <hsiangkao at redhat.com>

Reviewed-by: Chao Yu <yuchao0 at huawei.com>

Thanks,